In cylinder pressure measurement

[Todd....!!]

COOL!


JUST DO IT!!

Todd....!!





Tom Sharpe wrote:
> 
> Let's see... the piston measures combustion pressure... hooked to a rod...
> hooked to a crankshaft....If we could measure crankshaft acceleration 60 times a
> revolution, we could come up with some relative numbers... we need a toothed
> wheel and sensor and ????... Sharpe
> 
> C. Brooks wrote:
> 
> > Has anyone ever heard of anybody doing this? I was talking with someone
> > about data acquisition systems and the subject came up while we were
> > discussing methods of knock detection. I'm not to enthusiastic about being
> > able to monitor A/F ratios accurately or in realtime, and our conversation
> > kinda stuck with me.
> >
> > If anyone's ever seen or heard about somebody performing in cylinder
> > pressure measurements I'd love to hear about it. I imagine the transducers
> > would have to be pretty tough, how would they mount? What kind of sample
> > rate do you think would be needed? Best of all, who would make a sensor that
> > could take the abuse???
> >
> > Charles Brooks